Patent · US Expired

Sealed bearing assemblies

US4768889A · kind A · utility

7Cited by

3References

7Claims

0Family size

Assignee

AKTIEBOLAGET SKF · SE

Inventors

Norbert Loser · Püttlingen, DE
Peter Schmehr · Grettstadt, DE
Leopold Tilgner · Püttlingen, DE

Key dates

Filing date	Dec 19, 1986
Grant date	Sep 6, 1988
Priority date	—
Expiry date	Dec 19, 2006

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J15/3288
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A seal assembly for sealing between a pair of bearing rings wherein one of the rings has an annular groove for the seal comprising elastic annular ring member having at least one circumferential projection and at least one sealing disk and a retainer member. The volume of the elastic ring, which has been increased by the retaining sections for the parts to be held in place being in the preinstalled state at least the same as that of annular groove in one of the bearing rings.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.